§ 46-37-351

RCW 46.37.351Performance ability of brakes.Every motor vehicle and combination of vehicles, at all times and under all conditions of loading, upon application of the service brakes, shall be capable of:(1) Developing a braking force that is not less than the percentage of its gross weight tabulated herein for its classification,(2) Decelerating to a stop from not more than twenty miles per hour at not less than the feet per second per second tabulated herein for its classification, and(3) Stopping from a speed of twenty miles per hour in not more than the distance tabulated herein for its classification, such distance to be measured from the point at which movement of the service brake pedal or control begins.Tests for deceleration and stopping distance shall be made on a substantially level (not to exceed plus or minus one percent grade), dry, smooth, hard surface that is free from loose material. Brake system application Braking and force braking as aDeceler-distance percent-ation inin feet age of grossfeet perfrom an vehicle orsecondinitialClassification combinationperspeed ofof vehicles weightsecond20 m.p.h.APassenger vehicles witha seating capacity of10 people or

cent-ation inin feet age of grossfeet perfrom an vehicle orsecondinitialClassification combinationperspeed ofof vehicles weightsecond20 m.p.h.APassenger vehicles witha seating capacity of10 people or lessincluding driver, nothaving a manufacturer'sgross vehicle weightrating . . . .52.8%1725B-1All motorcycles andmotor-driven cycles . . . .43.5%1430B-2Single unit vehicleswith a manufacturer'sgross vehicle weightrating of 10,000pounds or less . . . .43.5%1430C-1Single unit vehicleswith a manufacturer'sgross weight rating ofmore than 10,000pounds . . . .43.5%1440C-2Combinations of atwo-axle towing vehicleand a trailer with agross trailer weight of3,000 pounds or less . . . .43.5%1440C-3Buses, regardless of thenumber of axles, nothaving a manufacturer'sgross weight rating . . . .43.5%1440C-4All combinations ofvehicles in driveaway-towaway operations . . . .43.5%1440DAll other vehicles andcombinations ofvehicles . . . .43.5%1450[ 1963 c 154 s 22.]NOTES:Effective date—1963 c 154: See note following RCW 46.37.010.